The document discusses sources and effects of air pollution. It notes that outdoor air pollution comes from vehicle emissions, fossil fuel combustion, insecticides, herbicides, and mining. Indoor sources are also mentioned. The effects of air pollution include acid rain, global warming, and respiratory issues and cancer in humans. Ways to prevent further air pollution include carpooling, biking, saving energy, choosing recycled products, and not smoking.

1. A IR P O LLUTI O N

2. A IR P O LLUTI O N Sources of Outside Air Pollution Combustion of gasoline and other hydrocarbon fuels in cars, trucks, and airplane. Burning of fossil fuels. Insecticides. Herbicides. Mining Operation.

3. A IR P O LLUTI O N Sources of Indoor Pollution

4. A IR P O LLUTI O N Effects on the enviroment Acid rain. Global warming. In humans: respiratory problems, allergies and a risk for cancer.

5. A IR P O LLUTI O N How can we prevent air pollution? Do carpool. Walk or ride a bicycle. Save energy. Choose recycled products. Do not smoke.